NOTE
This is a list of the Reports of the National Advisory Com-
mittee for Aeronautics prepared as of June 1, 1928, arranged
by subjects.
Unless otherwise indicated, all reports may be obtained at
the prices stated from the Superintendent of Documents, Gov-
ernment Printing Office, Washington, D. C. (See "Instruc-
tions for the Purchase of Government Publications" below.)

INSTRUCTIONS FOR THE PURCHASE OF
GOVERNMENT PUBLICATIONS
Reports may be purchased on application to the Superin-
tendent of Documents, Government Printing Office, Washington,
D. C., which should be accompanied by remittance in the form.
of coupons, postal money order, express order, or certified
check. If currency is sent, it will be at sender's risk. Foreign'
orders should be accompanied by international money order
or draft on an American bank. Postage stamps, foreign money,
defaced or smooth coins, will not be accepted.
All reports marked as out of print are available for reference
or loan upon application to the Office of Aeronautical Intelli-
gence, National Advisory Committee for Aeronautics, Wash-
ington, D. C.
(IiI)

1 12 Experimental Researches on the Resistance of
Air. By L. Marchis. (Second Annual, 1916) ---
20 Aerodynamic Coefficients and Transformation
Tables. By Joseph S. Ames. (Third Annual,
1917)------------------------------------ $0. 05
2 78 The Limiting Velocity in Falling from a Great
Height. By Edwin Bidwell Wilson. (Fifth
Annual, 1919)---------------------------------
2 79 Bomb Trajectories. By Edwin Bidwell Wilson.
(Fifth Annual, 1919)-----------------------------
3 83 Wind Tunnel Studies in Aerodynamic Phe-
nomena at High Speed. By F. W. Caldwell
and E. N. Fales. (Sixth Annual, 1920)------------
97 General Theory of the Steady Motion of an
Airplane. By George de Bothezat. (Sixth
Annual, 1920)--------------------------- 15
114 Some New Aerodynamical Relations. By Max
M. Munk. (Seventh Annual, 1921)----------. 05
116 Applicacations of Modern Hydrodynamics to
Aeronautics. By L. Prandtl. (Seventh An-
nual, 1921)------------------------------- .10
139 Influence of Model Surface and Air Flow Tex-
ture on Resistance of Aerodynamic Bodies.
By A. F. Zahm. (Eighth Annual, 1922)------. 05
144 The Decay of a Simple Eddy. By H. Bateman.
(Eighth Annual, 1922)-------------------- .05
S151 General Biplane Theory. By Max M. Munk.
(Eighth Annual, 1922)---.------------------------
185 The Resistance of Spheres in Wind Tunnels
and in Air. By David L. Bacon and Elliott
G. Reid. (Ninth Annual, 1923) ------------- 10
1 Out of print. Annual volume available for reference or loan in the Office of
Aeronautical Intelligence, National Advisory Committee for Aeronautics, Wash-
ington, D. C., and in the libraries of large cities.
Out of print as a separate report. The annual volume containing this report
is still available.
I Out of print. Available as a separate report for reference or loan in the Office
of Aeronautical Intelligence, National Advisory Committee for Aeronautics.

Out of print as a separate report. The annual volume containing this report is
still available.
I Out of print. Available as a separate report for reference or loan in the office of
Aeronautical Intelligence, National Advisory Committee for Aeronautics.
4 Not issued as a separate report. The annual volume containing this report is
still available.

* Out of print as a separate report. The annual volume containing this report is
still available.
* Out of print. Available as a separate report for reference or loan in the office
of Aeronautical Intelligence, National Advisory Committee for Aeronautics.

1 7 Thermodynamic Efficiency of Present Types of
Internal Combustion Engines for Aircraft.
By Columbia University. (First Annual,
1915)------------------------------------------
Part 1. Review of the Development of
Engines Suitable for Aeronautic Service.
Part 2. Aero Engines Analyzed with Refer-
ence to Elements of Process or Function.
1 10 Mufflers for Aeronautic Engines. By Prof. H.
Diederichs and Prof. G. B. Upton. (Second
Annual, 1916)----------------------------------
1 11 Carburetor Design-A Preliminary Study of the
State of the Art. By Charles Edward Lucke,
assisted by Friederich Otto Willhofft. (Sec-
ond Annual, 1916)------------------------------
4 23 Aeronautic Power-plant Investigations. By
the Subcommittee on Power Plants. (Third
Annual, 1917)----------------------------------
Part 1. Performance of Aeronautic Ein-
gines at High Altitudes.
Part 2. Radiator Design.
Part 3. Spark Plugs.
3 24 Air Flow Through Poppet Valves. By G. W.
Lewis and E. M. Nutting. (Fourth Annual,
1918)------------------------------------------
3 43 Synopsis of Aeronautic Radiator Investigations
for the years 1917 and 1918. By R. V. Klein-
schmidt. (Fourth Annual, 1918)-----------------
3 45 Effect of Compression Ratio, Pressure, Tem-
perature, and Humidity on Power. (Fourth
Annual, 1918)---------------------------------
Part 1. Variation of Horsepower with
Altitude and Compression Ratio. By
H. C. Dickinson, W. S. James, and G. V.
Anderson.
Part 2. Value of Supercharging. By H. C.
Dickinson and G. V. Anderson.
I Out of print. Annual volume available for reference or loan in the Office of
Aeronautical Intelligence, National Advisory Committee for Aeronautics, Wash-
ington, D. C., and in the libraries of large cities.
3 Out of print. Available as a separate report for reference or loan in the Offioe
yf Aeronautical Intelligence, National Advisory Committee for Aeronautics.
4 Not issued as a separate report. The annual volume containing this report
is still available.
100978-28--3

1 5 Relative Worth of Improvements on Fabrics.
By the Goodyear Tire and Rubber Co.
(First Annual, 1915)----------------------------
1 6 Investigations of Balloon and Airplane Fabrics.
(First Annual, 1915)-----------------------------
Part 1. Balloon and Airplane Fabrics. By
Willis A. Gibbons and Omar H. Smith.
Part 2. Skin Friction of Various Surfaces
in Air. By Willis A. Gibbons.
4 16 The Stretching of the Fabric and the Deforma-
tion of the Envelope in Nonrigid Balloons.
(Third Annual, 1917)------------------------
Part 1. The Stretching of the Fabric and
the Shape of the Envelope. By Rudolf
Haas.
Part 2. The Deformation of the Envelope
of the Siemens-Schuckert Airships.
By Alexander Dietzius.
4 22 Fabrics for Aeronautic Construction. By Sub-
committee on Standardization and Investi-
gation of Materials. (Third Annual, 1917)---------
Part 1. Cotton Airplane Fabrics.
Part 2. Balloon Fabrics.
I Out of print. Annual volume available for reference or loan in the Office of
Aeronautical Intelligence, National Advisory Committee for Aeronautics, Wash-
ington, D. C., and in the libraries of large cities.
I Not issued as a separate report. The annual volume containing this report is
still available.

2 Out of print as a separate report. The annual volume containing this report is
still available.
a Out of print. Available as a separate report for reference or loan in the Office
of Aeronautical Intelligence, National Advisory Commuuuittlee for Aeronautics.

I Out of print. Annual volume available for reference or loan in the Office'of
Aeronautical Intelligence, National Advisory Committee for Aeronautics, Wash-
ington, D. C., and in the libraries of large cities.
2 Out of print as a separate report. The annual volume containing this report
is still available.
3 Out of print. Available as a separate report for reference or loan in the Office
of Aeronautical Intelligence, National Advisory Committee for Aeronautics.

80 Stability of the Parachute and Helicopter. By
H. Bateman. (Fifth Annual, 1919)---------------

PROPELLERS

3 14 Experimental Research on Air Propellers. By
Wm. F. Durand. (Third Annual, 1917)----------
Part 1. The Aerodynamic Laboratory at
Leland Stanford Junior University and
the Equipment Installed with Special
Reference to Tests on Air Propellers.
Part 2. Tests on 48 Model Forms of Air
Propellers, with Analysis and Discussion
of Results and Presentation of the Same
in Graphic Form.
Part 3. A Brief Discussion of the Law of
Similitude as Affecting the Relation Be-
tween the Results Derived from Model
Forms and Those to be Anticipated from
Full-sized Forms.
I Out of print as a separate report. The annual volume containing this report Is
still available.
I Out of print. Available as a separate report for reference or loan In the Office
of Aeronautical Intelligence, National Advisory Committee for Aeronautics.

1 Out of print. Annual volume available for reference or loan in the Office of
Aeronautical Intelligence, National Advisory Committee for Aeronautics, Wash-
ington, D. C., and in the libraries of large cities.
I Out of print. Available as a separate report for reference or loan in the Office of
Aeronautical Intelligence, National Advisory Committee for Aeronautics.
4 Not issued as a separate report. The annual volume containing this report is
still available.

28

STRENGTH OF CONSTRUCTION

No. Title Price

1 3 Report on the Investigations of Aviation Wires
and Cables, their Fastenings and Terminal
Connections. By John A. Roebling's Sons
Co. (First Annual, 1915)-----------------------
S 35 The Strength of One-piece, Solid, Built-up, and
Laminated Wood Airplane Wing Beams.
By John H. Nelson. (Fourth Annual, 1918)--------
2 76 Analysis of Fuselage Stresses. By Edward P.
Warner and Roy G. Miller. (Fifth Annual,
1919)------------------------------------------
S82 Airplane Stress Analysis. By A. F. Zahm.
(Fifth Annual, 1919)----------------------------
92 Analysis of Wing Truss Stresses. By Edward
P. Warner and Roy G. Miller. (Sixth An-
nual, 1920)-------------------------------------
104 Torsion of Wing Trusses at Diving Speeds.
By Roy G. Miller. (Sixth Annual, 1920)---- $0. 05
137 Point Drag and Total Drag of Navy Struts
No. 1 Modified. By A. F. Zahm, R. H.
Smith, and G. C. Hill. (Eighth Annual, 1922) .05
140 Lift and Drag Effects on Wing Tip-rake. By
A. F. Zahm, R. M. Bear, and G. C. Hill.
(Eighth Annual, 1922)--------------------- .05
2143 Analysis of Stresses in German Airplanes. By
Wilhelm Hoff. (Eighth Annual, 1922)-----------
161 The Distribution of Lift Over Wing Tips and
Ailerons. By David L. Bacon. (Ninth
Annual, 1923)---------------------------- .10
2 180 The Influence of the Form of a Wooden Beam
on Its Stiffness and Strength-I: Deflection of
Beams with Special Reference to Shear Def-
ormations. By J. A. Newlin and G. W.
Trayer. (Ninth Annual, 1923)-------------------
S181 The Influence of the Form of a Wooden Beam
on Its Stiffness and Strength-II: Form
Factors of Beams Subjected to Transverse
Loading Only. By J. A. Newlin and 0. W.
Trayer. (Ninth Annual, 1923)-------------------
I Out of print. Annual volume available for reference or loan in the Office of
Aeronautical Intelligence. National Advisory Committee for Aeronautics, Wash-
ington, D. C., and in the libraries of large cities.
I Out of print as a separate report. The annual volume containing this report is
still available.
I Out of print. Available as a separate report for reference or loan in the Office
of Aeronautical Intelligence, National Advisory Committee for Aeronautics.